UCA will host an all-day celebration of the Jewel Moore Nature Reserve this Saturday, April 21, highlighted by a rededication ceremony at 10 a.m. Biologists will lead tours and activities throughout the day, on topics that will include birds, insects, wildflowers, wetlands, and fire ecology. The events are free and open to the public. For more information and a full schedule, contact the UCA biology department at Dept. of Biology at 450-5919.